package com.vn.rainbow.exoalarm.db.provider;

import com.vn.rainbow.exoalarm.db.table.AlarmSettingTable;
import com.vn.rainbow.exoalarm.db.table.DetailSettingTable;

import android.content.ContentProvider;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteQueryBuilder;
import android.net.Uri;
import android.text.TextUtils;

public class AlarmProvider extends ContentProvider {

	private static final String DATABASE_NAME = "exoalarm.db";
	public static final String AUTHORITY = "com.vn.rainbow.exoalarm.db.settings";
	private static final int DATABASE_VERSION = 1;

	public static final String PARAMETER_NOTIFY = "notify";

	// public static final Uri CONTENT_EGMAME_URI = Uri.parse("content://"
	// + AUTHORITY + "/" + EGLockerProvider.TABLE_CONFIGURE_EGLOCKER);

	private SQLiteOpenHelper mOpenHelper;

	@Override
	public boolean onCreate() {
		// TODO Auto-generated method stub
		mOpenHelper = new DatabaseHelper(getContext());
		return true;
	}

	@Override
	public Cursor query(Uri uri, String[] projection, String selection,
			String[] selectionArgs, String sortOrder) {

		SqlArguments args = new SqlArguments(uri, selection, selectionArgs);
		SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
		qb.setTables(args.table);

		SQLiteDatabase db = mOpenHelper.getWritableDatabase();
		Cursor result = qb.query(db, projection, args.where, args.args, null,
				null, sortOrder);
		result.setNotificationUri(getContext().getContentResolver(), uri);

		return result;
	}

	@Override
	public String getType(Uri uri) {
		SqlArguments args = new SqlArguments(uri, null, null);
		if (TextUtils.isEmpty(args.where)) {
			return "vnd.android.cursor.dir/" + args.table;
		} else {
			return "vnd.android.cursor.item/" + args.table;
		}
	}

	@Override
	public synchronized Uri insert(Uri uri, ContentValues initialValues) {
		SqlArguments args = new SqlArguments(uri);

		SQLiteDatabase db = mOpenHelper.getWritableDatabase();
		final long rowId = db.insert(args.table, null, initialValues);
		if (rowId <= 0)
			return null;

		uri = ContentUris.withAppendedId(uri, rowId);
		sendNotify(uri);

		return uri;
	}

	@Override
	public int delete(Uri uri, String selection, String[] selectionArgs) {
		SqlArguments args = new SqlArguments(uri, selection, selectionArgs);

		SQLiteDatabase db = mOpenHelper.getWritableDatabase();
		int count = db.delete(args.table, args.where, args.args);
		if (count > 0)
			sendNotify(uri);

		return count;
	}

	@Override
	public int update(Uri uri, ContentValues values, String selection,
			String[] selectionArgs) {
		SqlArguments args = new SqlArguments(uri, selection, selectionArgs);

		SQLiteDatabase db = mOpenHelper.getWritableDatabase();
		int count = db.update(args.table, values, args.where, args.args);
		if (count > 0)
			sendNotify(uri);

		return count;
	}

	private void sendNotify(Uri uri) {
		String notify = uri.getQueryParameter(PARAMETER_NOTIFY);
		if (notify == null || "true".equals(notify)) {
			getContext().getContentResolver().notifyChange(uri, null);
		}
	}

	private static class DatabaseHelper extends SQLiteOpenHelper {

		private final Context mContext;

		DatabaseHelper(Context context) {
			super(context, DATABASE_NAME, null, DATABASE_VERSION);
			mContext = context;
		}

		@Override
		public void onCreate(SQLiteDatabase db) {

			db.execSQL("CREATE TABLE confiEGame ("
					+ "_id INTEGER PRIMARY KEY AUTOINCREMENT,"
					+ "component TEXT," + "img TEXT" + ");");

			/**
			 * Theme
			 */
			AlarmSettingTable.onCreate(db);
			DetailSettingTable.onCreate(db);

		}

		@Override
		public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
			// int version = oldVersion;
			// if (version != DATABASE_VERSION) {
			// EGLockerSettingTable.onUpgrade(db, oldVersion, newVersion);
			// }

		}

	}

	static class SqlArguments {
		public final String table;
		public final String where;
		public final String[] args;

		SqlArguments(Uri url, String where, String[] args) {
			if (url.getPathSegments().size() == 1) {
				this.table = url.getPathSegments().get(0);
				this.where = where;
				this.args = args;
			} else if (url.getPathSegments().size() != 2) {
				throw new IllegalArgumentException("Invalid URI: " + url);
			} else if (!TextUtils.isEmpty(where)) {
				throw new UnsupportedOperationException(
						"WHERE clause not supported: " + url);
			} else {
				this.table = url.getPathSegments().get(0);
				this.where = "_id=" + ContentUris.parseId(url);
				this.args = null;
			}
		}

		SqlArguments(Uri url) {
			if (url.getPathSegments().size() == 1) {
				table = url.getPathSegments().get(0);
				where = null;
				args = null;
			} else {
				throw new IllegalArgumentException("Invalid URI: " + url);
			}
		}
	}

}
